Home / 479,327.17-661,711.19-298,097.48

Finding the Fourth Proportional to 479,327.17, 661,711.19 and 298,097.48

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Solution

The fourth proportional to 479,327.17, 661,711.19 and 298,097.48 is: 411,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,327.17 : 661,711.19 = 298,097.48 : x
  2. Step 2: Convert to fraction form
    479,327.17/661,711.19 = 298,097.48/x
  3. Step 3: Cross multiply
    479,327.17x = 661,711.19 × 298,097.48
  4. Step 4: Simplify right side
    479,327.17x = 197,254,440,067.39
  5. Step 5: Solve for x
    x = 197,254,440,067.39/479,327.17
  6. Step 6: Final answer
    x = 411,523.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.